Raw materials are purchased directly from large enterprises such as Shanghai Petrochemical, Mitsubishi Electric of Japan, and Tung Hwa Long of Taiwan, ensuring the quality of raw materials while controlling low costs.

The Uster bar has a 50% level of quality, a joint rate 10% lower than the industry standard, sweat and wash fastness 0.5 grades higher than the national standard, and a short overflow rate controlled within 2%.

We strictly implement the ISO9001 quality system, have multiple inspection procedures, standardized records, and process data that are sealed and stored for ten years to ensure traceability.

The company has a testing center with dedicated personnel conducting five levels of inspections and has established internal inspection standards that exceed national standards (missed detection rate ≤1%).